diff --git a/headers/posix/setjmp.h b/headers/posix/setjmp.h
new file mode 100644
index 0000000000..adb1555929
--- /dev/null
+++ b/headers/posix/setjmp.h
@@ -0,0 +1,36 @@
+/* 
+** Distributed under the terms of the Haiku License.
+*/
+#ifndef _SETJMP_H_
+#define _SETJMP_H_
+
+
+#include <signal.h>
+
+
+typedef struct __jmp_buf {
+	int			regs[6];	/* saved registers, stack & program pointer */
+	int			mask_was_saved;
+	sigset_t	saved_mask;
+} jmp_buf[1];
+
+typedef jmp_buf sigjmp_buf;
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern int	_setjmp(jmp_buf jumpBuffer);
+extern int	setjmp(jmp_buf jumpBuffer);
+extern int	sigsetjmp(jmp_buf jumpBuffer, int saveMask);
+
+extern void	_longjmp(jmp_buf jumpBuffer, int value);
+extern void	longjmp(jmp_buf jumpBuffer, int value);
+extern void	siglongjmp(sigjmp_buf jumpBuffer, int value);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SETJMP_H_ */